Sunglasses are eyewear with tinted lenses designed to protect eyes from bright sunlight, harmful UV rays, and glare, while reducing eye strain. They often include 100% UV protection and may have additional features like polarization.
Main types:
By lens: Polarized (cuts glare, ideal for driving/water), photochromic (auto-tint in sunlight), mirrored, gradient.
By frame/style: Aviator (teardrop metal), Wayfarer (trapezoid plastic),Round, Square/Rectangle, Cat-eye, Wraparound (sporty), Oversized.
By use: Casual/fashion, sport/performance, prescription.